Coffee maker



FIG. 1 is a front perspective view of a coffee maker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings are included for the purpose of illustration and form no part of the claimed design. 

The ornamental design for the coffee maker, as shown and described. 